diff options
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 147ce499f50..d2170da77e5 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -720,10 +720,9 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char __user *optval, tp->md5sig_info = p; } - newkey = kmalloc(cmd.tcpm_keylen, GFP_KERNEL); + newkey = kmemdup(cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL); if (!newkey) return -ENOMEM; - memcpy(newkey, cmd.tcpm_key, cmd.tcpm_keylen); if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_MAPPED) { return tcp_v4_md5_do_add(sk, sin6->sin6_addr.s6_addr32[3], newkey, cmd.tcpm_keylen); @@ -1503,12 +1502,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, * memory, then we end up not copying the key * across. Shucks. */ - char *newkey = kmalloc(key->keylen, GFP_ATOMIC); - if (newkey) { - memcpy(newkey, key->key, key->keylen); + char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC); + if (newkey != NULL) tcp_v6_md5_do_add(newsk, &inet6_sk(sk)->daddr, newkey, key->keylen); - } } #endif |